[GNC] Windows 11 security blocker

Adrien Monteleone adrien.monteleone at lusfiber.net
Wed Jan 14 13:13:06 EST 2026


Excellent detailed instructions.

I'll add that in addition to or instead of, the www.gnucash.org URL, you 
might need to specifically whitelist the SourceForge URL as that is 
where the download is coming from. (and/or the github URL)

Regards,
Adrien

On 1/14/26 10:32 AM, Ken Pyzik wrote:
> 2.  If AVAST Web Shield is blocking the download, this could be another 
> cause.  Add a temporary exception.  Open Avast.  Go to Menu → Settings → 
> Exceptions.  Add this URL:  Code  https://www.gnucash.org. Retry the 
> download.   Once downloaded, you can remove the exception if you want to.
>   AVAST sometimes flags open‑source installers because they aren’t 
> signed with expensive commercial certificates, not because they’re unsafe.



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